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SHRED

California

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Posted: 04/18/21 08:07am Link  |  Quote  |  Print  |  Notify Moderator

Anyone know what the shelf life is after opening the small tube?

The bigger gun tube needs to be used fairly soon in my experience.

Great stuff.


2021 27' Lazy Daze mid bath


dhull

Some Lake Some where

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Posted: 04/18/21 07:08pm Link  |  Quote  |  Print  |  Notify Moderator

I have a 4 year old tube I used a little from that is still pliable in the tube. Can't get cap off tho!

jspringator

Versailles, KY 40383

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Posted: 04/18/21 08:01pm Link  |  Quote  |  Print  |  Notify Moderator

It is longer if you store it in the freezer.


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Seon

Lake Camanche, CA

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Posted: 04/19/21 07:15am Link  |  Quote  |  Print  |  Notify Moderator

As JSP mentioned, store it in a freezer. I have all my sealant stored in my "bait" freeze, some as old as 5 yrs. Never a problem unscrewing the cap. Might have to prick the tip with a nail but then it'll flow after squeezing the tube.

navigator2346

Wa and points South

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Posted: 04/19/21 10:35am Link  |  Quote  |  Print  |  Notify Moderator

Before you put the cap back on, smear a little grease of some kind on the threads to make removing the cap easier

otrfun

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Posted: 04/19/21 12:06pm Link  |  Quote  |  Print  |  Notify Moderator

3M recommends a 3 oz tube of 3M 4000UV be used within 24 hours of opening. I've found it stays somewhat pliable for almost a week as long as you seal it tightly. 5200FC cures in similar time as 4000. Standard 5200 takes much longer. FWIW (in terms of RV use), 4000 is much more UV resistant than 5200.

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